Some of the studio gear:

Arturia MicroBrute
Boss Hand Clapper HC-2
Boss Percussion Synthesizer PC-2 (2)
Böhm Digital-Drums DD 19
Casio CZ-101
Cyclone Analogic TT-303 Bass Bot
E-mu SP-1200
Elektron Octatrack
Elektron Sidstation
Ensoniq ASR-10
Ensoniq Mirage
Korg Delta DL-50
Korg Lambda ES-50
Korg Monotron (3)
Korg Monotron Duo
Korg Monotron Delay
Korg Poly-61m (2)
Korg Poly-800 (2)
Korg Poly-800II
Korg PS-3100
Korg Trident
Korg VC-10 Vocoder
Lel' PSR
Moog Little Phatty
Moog Prodigy
Rhythm Ace FR-8L
Roland JP-8000
Roland Juno-6
Roland Juno-60
Roland Jupiter 6
Roland Jupiter 8
Roland MC-202
Roland MSQ-700
Roland SH-101 (2)
Roland SPV-355 P/V Synth
Roland SVC-350
Roland System 100M
Roland TB-303 (5)
Roland TR-606
Roland TR-626
Roland TR-707 (3)
Roland TR-727 (2)
Roland TR-808 (2)
Roland TR-909 (2)
Yamaha DX7 (2)
Yamaha DX7 IIFD
Yamaha RX7
Yamaha RM1x